we still need an esp keep for allocas

[r16037]

diff --git a/ir/be/beabi.c b/ir/be/beabi.c
index a7e3ce1..0547a0c 100644 (file)
--- a/ir/be/beabi.c
+++ b/ir/be/beabi.c
@@ -1150,7 +1150,8 @@ static void process_calls_in_block(ir_node *bl, void *data)
 
                /* Keep the last stack state in the block by tying it to Keep node,
                 * the proj from calls is already kept */
 
                /* Keep the last stack state in the block by tying it to Keep node,
                 * the proj from calls is already kept */

-               if(curr_sp != env->init_sp && !is_Proj(curr_sp)) {
+               if(curr_sp != env->init_sp
+                               && !(is_Proj(curr_sp) && be_is_Call(get_Proj_pred(curr_sp)))) {

                        nodes[0] = curr_sp;
                        keep     = be_new_Keep(env->isa->sp->reg_class, get_irn_irg(bl),
                                               bl, 1, nodes);
                        nodes[0] = curr_sp;
                        keep     = be_new_Keep(env->isa->sp->reg_class, get_irn_irg(bl),
                                               bl, 1, nodes);